20483048161 has 9 divisors (see below), whose sum is σ = 20630508499. Its totient is φ = 20336637424.

The previous prime is 20483048143. The next prime is 20483048191. The reversal of 20483048161 is 16184038402.

The square root of 20483048161 is 143119.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 18981950625 + 1501097536 = 137775^2 + 38744^2 .

It is not a de Polignac number, because 20483048161 - 2⁵ = 20483048129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20483048161.

It is not an unprimeable number, because it can be changed into a prime (20483048191) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 23900445 + ... + 23901301.

Almost surely, 2^20483048161 is an apocalyptic number.

20483048161 is the 143119-th square number.

20483048161 is the 71560-th centered octagonal number.

It is an amenable number.

20483048161 is a deficient number, since it is larger than the sum of its proper divisors (147460338).

20483048161 is an frugal number, since it uses more digits than its factorization.

20483048161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048 (or 1024 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

Multiplying 20483048161 by its product of nonzero digits (36864), we get a square (755087087407104 = 27478848²).

The spelling of 20483048161 in words is "twenty billion, four hundred eighty-three million, forty-eight thousand, one hundred sixty-one".